Gill box having crossed fallers



June 10 N. SCHLUMBERGER GILL BOX HAVING CROSSED FALLERS 2 Sheis-Shet 1 1,497,306 N. SCHLUMBERGER GILL BOX HAVING CROSSED FALLERS Filed Aug. 27. 1919 2 Sheets-Sheet 2' Patented June 10, 1924 NICOLAS scnnulvmnsenn, or GUEBWILLER, FRANCE.

GILL BOX HAVING GROSSED FALLERS.

Application filed August 27, 1919. Serial No. 320,222.

To all whom it may concern:

Be itknown that I, NIcoLAs ScHtuMenR- GER, citizen of the French Republic, residing at Guebwiller, Alsace, France, have invented certain new and useful Improvements in Gill Boxes Having Crossed Fallers, of which the following is a specification.

Thisinvention has for its object to provide an improved gill box comprising the fallers are parallel to each other and crossed sets of gill bars or fallers working with gradual penetration, and the invention consists substantially in arranging the planes of the axes of the pairs of screws serving for moving the bars, to be inclined at an angle to the drawing plane. I

, It has already been'proposed to employ for drawing textile fibres, crossed sets of gill bars or fallers whereof the planes constituted by the points of each set of gill needles are inclined to each other. In that arrangement the axes of the screws moving to the strick of fibres, and the gradual penetration of the needles in the said strick is effected by arranging the slideways of the fallers in such a manner asto enclose with the axes of'the screws, angles corresponding to the extent of such penetration between the points of entranceand exit. 7 1 In that same arrangement since the faller at the end of its stroke, issues from the strick of fibres with a movement at right angles to the axis of the screw, the advance of its needles in the direction ofthe travel of the strick of fibres, is arrested,

so that a certain retaining of material results, which causes irregularities 111 the draw of fibres. the drawback that the heels of the fallers engaged in the screws are necessarily tapered upwardly and downwardly by reason of thelimited'thickness of the fallers due to the pitch of the screws. Consequently they are soon worn out by the blows which they receive from the hammers for the purpose of causing them to pass from their operative positions into the return screws, and vice verse r v inthe improved gill box of the present "invention the stress of the foremost taller That arrangement has further is not slowed down during the time that'its needles are passing out'of the strick of fibres. This advantage'is gainedby arranging the axes of the screws at a certain angle to the drawing plane. This arrangement "'55 has the further advantage oflenabling the heels of thefallers to be made ofthe'same thickness throughout their height. 2 f In the accompanying drawings p Fig. 1 is a section of a constructional example of an improved apparatus according to this invention.

Figs. 2 and 3 are respectively a front-view and a side view of a gill bar or faller.

Fig. 4 is a plan of the faller or bar. shown in Figs. 2 and 3.

Fig. 5 illustrates thean'gles of exit of the faller from the strick, and their positions in the improved apparatus of this invention.

The fallers 1 of the horizontallyv arranged lower set of fa-llers aremoved by the forwardly travelling screws 2 with whichtheir heels 3 (Figs. 2 and 3) mesh, along the slideways A: (Fig. that are fixed to the supporting frames In their foremost positions the fallers 1 (Figs. 2 and 3) encounterwith their grooves 6 themovableguides 7 (Fig. 1) fixed to arms 8 which are adapted to turn on a pin 9 fixed in the frame 5, and are acted upon by a coiledspring 10. The fallers also have the usual side slots 17.

In order to prevent the faller from'going beyond the screw 2 by reason of the pull of the fibres, the slideway 4 which is situated above the lower set of fallers, is provided with a stop 11. A hammer (not shown) on the end of screw 2, moves the faller 1 that has reached into its foremost position, downwardly onto the return slideways 12, by means of its heels 3 (Figs 2 and 3) in the coarse-pitched screw-thread 13 (Fig. 1) that is actuated by'the toothed wheels 14, 15; An arrangement similar to the one employed for causing the fallers to pass from the forward screw 2 on to the-re turn screw 13, serves to raise the fallers from the screw 13 on to the screw'2,'-when "these fallersha've. reached the end of their stroke in the screw '13.}:

cooperates a second set of fallers situated above the first, and comprising the same parts as the first or underneath set, the said parts being indicated by the same numerals followed by a tick mark The mainshaft 20 drives the forward and return screws by means of toothed wheels 21, 22, 23, 2e, 25,26, 27. 1

The upper set of fallers and its compo nent parts are mounted on a support 28, fixed by means 'ofadjusting pins'30 in the frame 5 and clamping bolts 31 on the hinge pin 29. On undoing these bolts 31, the upper set of fallers can be raisedby turning it on the hinge pin 29 by means of the handle .32, whereupon; the'lower setj of fallers is .rendered accessible.

- The screws21 and 13; of the upper set of fallers are arranged at an angle of about 6 degrees to ,the screw -2 and 13of the-lower --set-of-faller's. mplheifliachine is adapted to operate on wool, silk, cotton, ramie, hemp,linen, oakum, artificial silk, etc'., and the strick .of fibres is fedbyflthefeed rollers 33, 34 and the .verti- "cally adjustable supporting plate 35, then passing through the needles of the fallers 1, l,.-it,is conveyed to the outside by the rollers 37, 38;.th-e lower onebeing furnished with a conveying. belt'36.

Each faller engages by its heel 3 in the thread" of the screw and when itreaches its extreme position G and striking the front guide begins its upward travel for a verticalzheightlequal to the distance K (Fig. 4)

it'iwould, 'if this front guide were rigid and at right angles to :the screw, descend verticallyand, While doing so, diminish its distance from the following faller, as the latter would simultaneously be moved forward by thelead. of the screw through a horizontal distance expressed by h. This, of course, is

onIy par-t of the distance through which a complete revolution of the screw moves its fallersfland this movement is accomplished within approximately of a revolution; If, however, it is intended to keep the faller Z lduring itsdescent at the same distance from I the next; one, it would have to be moved s1-- multaneously by a cam or guide through a horizontal,zdistance H, equal to 71 until it reachespthe position 9. I The resultant of Lthese combined movements through K and Hz'i'would go in. a direction, indicated'by a l lineE-B, which as indicated, formsjan angle 0 withfthe ppitch line of the, thread of the 5 upper screw. 'However, as the pitch lines of the two screws formsupplementary angles b and at with their respective parallel axes, it

1 Earl? an lw rromathe theoretic l? d r cti which is the supplement,;.of the pitchline. lni theiizitravel, theiuppersanda lower fallers (see Fig. 3). The play between the heels of the fallers, which is found in prior de vices, is obviated in this improved apparatus by the means now described. a

By inclining the screws 2 and 2 through an angle 0 relatively to the stick of fibres, the 75 .lines representingthe pitch of the threads of the screws are so selected that the distance h equals H (see Fig. 4:).

By forming in the ends of the fallers grooves 6 (Figs. 2 and 3) having the same inclination as the screw vthread pitches represented in the drawingby the lines A D and B F a perfect guidance is obtained along the surfaces L and r (Fig.-

which obviates the occurrence of excessive wear. 2

Owing to the inclination of the screws whilst retaining a vertical position .of the faller, the heels '3 and 3 engaged'i n" the threads of the screws 2 and'2" can be ?arranged at the desired inclination bhQt-BellOWSti the heel indicated by dotted lines to present to theblows of the hammer its entirethicknessm (see Figs. 3 andt) instead of; the partial thickness of the old construction (Fig. 4:), with a consequent diminution of.

wear of the fallers. a I The improved apparatus has also the following other advantages i By lifting the support 28 about the pivot 29-by means of the screws 30, it-is easy to vary the degree'of-penetration of theneedles to suit any kind of fibres. Moreover, .the lifting of the upper set of fallers facilitates the cleaning and maintenance of both sets.

ers, wherein the pair of screws of the upper of screws on the lower set. a a

2., A gill box having crossed sets of fallers, wherein'all the parts of the'up-perset set of, fallers is inclined relativelyto the pair of fallers are mounted insupports capable;

of pivotingaround' a common centre. soas to allow ofadjusting the inclinationofthe upper set of fallers relatively tothe'lower set." I a i 3. A gill box having crossed setsiof fall-1;

ers-wherein the air of screws of theupper set of fallers is inclined;relatively" to the pair ofscrews of the lowerise't, andlallthe parts of the upper set of fallers are mounted in supports capable of} pivoting around; a, common centreso as to allowyof adjusting the inclination of the'upjper setiefffgallers relatively to the lower set.

I .4..A gi11.box having, crossedsets ofy'fallers wherein the pairs, of sawsofahe. 56 zj= Having now particularly described Sandi.

fallers on opposite sides of the fiber are dispair of the screws being adjustable relaposed convergent relatively to one another tively to the other pair to vary the degree of 10 in the direction of travel'of the fibre. convergence.

5. A gill box having crossed sets of fall- In testimon whereof I aflix my signature. I ers wherein the pairs of screws of the sets of N10 LAS SCHLUMBERGER.

fallers on opposite sides of the fiber are dis- Witnesses: posed convergent relatively to one another 0. SOHLUM,

in the direction of travel of the fibre, one TURGKHEIM. 

